The invention discloses food for eliminating discomfort caused by eating hot pot, wherein the food comprises the following raw materials in percentage by mass: 15-50% of amorphophallus konjac, 20-45% of folium mori and 5-40% of semen cassia. The preparation method of the food provided by the invention comprises the following steps: (1) firstly, weighing amorphophallus konjac, folium mori and semen cassia according to proportion, then separately, crushing and sieving by a 160 meshes sieve so as to obtain amorphophallus konjac powder, folium mori powder and semen cassia powder, controlling the water content to be 10-25%, putting into a microwave vacuum drying device, heating at 55-100 DEG C for 3-10 minutes, drying and sterilizing, taking out, and cooling naturally to room temperature; (2) mixing the amorphophallus konjac powder, folium mori powder and semen cassia powder which are treated in the step (1), and stirring uniformly; (3) preparing mixed powder obtained in the step (2) into hard capsules, candy tablets, solid granules or beverages. The raw materials of the food provided by the invention do not contain chemical additives, and the food is safe to eat, has no side effect, is clear in function mechanism, is scientific in raw material formulation, and is obvious in effect.